Microprocessor Crystals
Cardinal provides the most comprehensive range of crystal components available. From
standard microprocessors to custom-made crystals, Cardinal engineers and salespeople
are dedicated to providing the best technical support and services possible.
Specifications:
Frequency Range: 1.8432 ~ 100.000 MHz
Custom crystals available.
Operating Temperature: -10°C ~ + 70°C
Standard
-40°C ~ + 85°C
-55°C ~ +125°C
Frequency Stability: ±100 ppm
± 50 ppm
Standard
± 30 ppm
± 10 ppm
Frequency Tolerance: ±100 ppm
(at 25°C)
± 50 ppm
Standard
± 30 ppm
± 10 ppm
Load Capacitance: Standard 18 pF or series.
Please specify your required load.
Resistance: Maximum resistance corresponds to frequency.
See chart below.
Standard: Mode: Fundamental, 3rd, 5th, or 7th Overtone
Shunt Capacitance: 7 pF Max
Aging: ± 5 ppm/year
Drive Level: 1.0 mW Max
Optional Features: Formed Leads
Vinyl Sleeves
Insulator Pads
Third Lead
Radial Tape and Reel (1K per Reel)
Note 1: Not all combinations of the above
tolerances, stabilities, and temperature
ranges are available. Consult the factory
if your requirement is not standard.
C49
Part Numbering Example: C49 X - A1 B2 C2 180 - 3.579545 D18 - 3
*
NOTE: The above ABC combinations cover basic specification options. We tailor our crystal specifications
to meet customer requirements. Please contact our sales department if you don’t see exactly what you need.
LOAD CAP.
D16,18,20,ETC.
DS = SERIES
D18
OVERTONE
BLANK: FUND.
-3: 3rd OT
-5: 5th OT
-7: 7th OT
-BT: BT Cut
FREQUENCY
3.579545
RESISTANCE
SEE CHART
BELOW
180
TOLERANCE
C1 = ±100
C2 = ± 50
C3 = ± 30
C4 = ± 10
C2
OPERATING TEMP.
A0 = -10°C ~ +60°C
A1 = -10°C ~ +70°C
A2 = -40°C ~ +85°C
A3 = -55°C ~ +125°C
A1*
STABILITY
B1 = ±100
B2 = ± 50
B3 = ± 30
B4 = ± 10
B2
ADDED FEATURES
F = FORMED LEADS
W = VINYL SLEEVING
X = INSULATOR PAD
Y = THIRD LEAD
Z = TAPE AND REEL
BLANK=BULK PACK
X
SERIES
C49
C49
Series
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
Resistance Chart:
All resistances are maximum values.
Frequency MHz ESR(Ω) Mode/cut Frequency MHz ESR (Ω) Mode/cut
1.8432~1.999 650 Max Fund./AT 5.000~5.999 75 Max Fund./AT
2.000~2.399 550 Max Fund./AT 6.000~6.999 50 Max Fund./AT
2.400~2.999 350 Max Fund./AT 7.000~7.999 40 Max Fund./AT
3.000~3.199 250 Max Fund./AT 8.000~9.999 35 Max Fund./AT
3.200~3.499 200 Max Fund./AT 10.000~12.999 30 Max Fund./AT
3.500~3.599 180 Max Fund./AT 13.000~32.768 25 Max Fund./AT
3.600~3.899 150 Max Fund./AT 24.000~29.999 60 Max 3rd Overtone/AT
3.900~3.999 120 Max Fund./AT 30.000~74.999 40 Max 3rd Overtone/AT
4.000~4.099 100 Max Fund./AT 75.000~119.999 80 Max 5th Overtone/AT
4.100~4.999 80 Max Fund/AT 120.000~150.000 100 Max 5th Overtone/AT
- 3
C49
Cardinal Components, Inc.
1801 Broadway St
Charlottesville, VA 22902, USA
TEL: (973)785-1333
E-MAIL: sales@cardinalxtal.com
WEB: http://www.cardinalxtal.com
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